Seiko Cal. 4421 - 645

The Seiko 4421-645 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-bc0cde463914]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1983

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